Legend has this precariously placed rock was placed by giants. Science has another explanation.

The highest point in Washington state is a volcano covered in glaciers.

Some of the world's only freshwater seals live in one very special lake in Russia.

Where the famed daredevil attempted to launch himself across a canyon in a custom-built rocket.

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

This tangled English forest looks like something right out of a fairytale.

This vertical pinnacle in China was the inspiration for the floating mountains in the movie “Avatar.”

Millions of years of oxidation make a drive down this winding Death Valley road surprisingly colorful.

Legends of treasure and spirits flow from this this fairy tale-like oasis.

Medicinal spa created with the discharge from a geothermal energy plant.

Sunset-colored dunes of volcanic ash make taking a poor photo impossible.

Ruins of the elaborate house where the enigmatic costume designer threw glamorous parties for New York's theatrical elite.

An unexpected Easter egg lurks in the background of a cherub wall relief at the Breakers mansion.

This cuddly rodent has a place of honor at a Russian institute for genetic research.

The heart of a Scottish legend had a centuries-long journey before reaching its final resting place.

The ruins of this gorgeous clifftop castle look like something from a fantasy novel.

The eclectic observatory castle of a 19th-century astronomer and explorer.

A 14th century castle built on the seat of a mighty giant.

It's said this was once the home of King James V's pet lion.

Skeletons dressed in extravagant 18th century royal costumes cavort in the aisles of this German basilica.

These medieval skyscrapers dominate the skyline of this small Tuscan town.

A white Buddhist temple with a golden restroom.

An exquisite tunnel of cascading flowers.

Over time, this castle grew to encompass the entire island.